diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a699f5..9aaeac8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,40 @@
+## [4.0.0](https://github.com/asyouplz/SpeechNote/compare/v3.0.14...v4.0.0) (2026-01-26)
+
+### ⚠ BREAKING CHANGES
+
+* Manual version updates via version-bump.mjs will be deprecated.
+Use Conventional Commits format for all commits going forward.
+
+* fix: address code review feedback from Claude bot
+
+Addressing 8 issues identified in PR #54:
+- [P0/Critical] Disable version-bump.yml to prevent workflow conflicts
+- [P0/Critical] Remove persist-credentials: false from release-auto.yml
+- [P0/Critical] Remove deprecated version lifecycle hook in package.json
+- [P1/Important] Add semver and manifest validation to update-version.mjs
+- [P1/Important] Fix JSON formatting consistency in scripts
+- [P2/Optional] Enhance build artifact verification with file size checks
+- [P2/Optional] Rename release.sh to release-emergency.sh and add warning
+
+* fix: address final code review points and documentation updates
+
+* fix: address third round of code review feedback
+
+- Revert pre-commit hook to use lint-staged
+- Add file existence checks to update-version.mjs
+- Remove unnecessary npm override in package.json
+- Add syntax verification for build artifacts in release workflow
+
+### 🚀 Features
+
+* implement semantic-release automation ([#54](https://github.com/asyouplz/SpeechNote/issues/54)) ([240e125](https://github.com/asyouplz/SpeechNote/commit/240e125df5479cda9c084164494756ea87eafb38))
+
+### 🐛 Bug Fixes
+
+* make lint step resilient to eslint crashes ([2e3adc8](https://github.com/asyouplz/SpeechNote/commit/2e3adc8a5301bbd7b4c92e8b2b61dc8bd3746d51))
+* upgrade nodejs to v20 for semantic-release ([4dc3ae9](https://github.com/asyouplz/SpeechNote/commit/4dc3ae9abdf25ed9233f50b9c92c45fcbebaeb26))
+* upgrade nodejs to v22 for semantic-release v24 ([8c5ec24](https://github.com/asyouplz/SpeechNote/commit/8c5ec24f1b8c49996cb6df5f8bed5d88cee10e8f))
+
 # Changelog
 
 All notable changes to this project will be documented in this file.
diff --git a/manifest.json b/manifest.json
index 483ea33..8c86492 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,11 +1,11 @@
 {
 	"id": "speech-to-text",
 	"name": "Speech to Text",
-	"version": "3.0.14",
+	"version": "4.0.0",
 	"minAppVersion": "0.15.0",
 	"description": "Convert audio recordings to text using multiple AI providers (OpenAI Whisper, Deepgram)",
 	"author": "Taesun Lee",
 	"authorUrl": "https://github.com/asyouplz",
 	"fundingUrl": "",
 	"isDesktopOnly": false
-}
\ No newline at end of file
+}
diff --git a/package-lock.json b/package-lock.json
index 3595990..2561023 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "obsidian-speech-to-text",
-    "version": "3.0.14",
+    "version": "4.0.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "obsidian-speech-to-text",
-            "version": "3.0.14",
+            "version": "4.0.0",
             "license": "MIT",
             "devDependencies": {
                 "@commitlint/cli": "^20.3.1",
diff --git a/package.json b/package.json
index 92946fd..844493b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "obsidian-speech-to-text",
-    "version": "3.0.14",
+    "version": "4.0.0",
     "description": "Convert audio recordings to text in Obsidian using multiple AI providers (OpenAI Whisper, Deepgram)",
     "main": "main.js",
     "scripts": {
@@ -95,4 +95,4 @@
             "prettier --write"
         ]
     }
-}
\ No newline at end of file
+}
diff --git a/versions.json b/versions.json
index 66c30b3..a059f5e 100644
--- a/versions.json
+++ b/versions.json
@@ -13,5 +13,6 @@
 	"3.0.9": "0.15.0",
 	"3.0.10": "0.15.0",
 	"3.0.11": "0.15.0",
-	"3.0.12": "0.15.0"
+	"3.0.12": "0.15.0",
+	"4.0.0": "0.15.0"
 }